[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-464549-105":59,"doc-detail-464549-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","adding-and-subtracting-within-20-worksheet","Adding and Subtracting within 20 - Worksheet","","This document provides a set of twenty elementary mathematics problems focused on addition and subtraction operations within the number range of 20. Designed as an educational worksheet, it includes two distinct pages: one intended for student practice and another serving as an answer key for grading. The content is structured to help learners build fundamental arithmetic proficiency through repetitive practice, covering varied addition and subtraction tasks that are essential for early mathematical development and numerical fluency.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/adding-and-subtracting-within-20-worksheet/464549/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/adding-and-subtracting-within-20-worksheet/464549.png","ImageObject",300,407,{"name":92,"@type":93},"Olivia Brown","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the range of numbers covered in these problems?","Question",{"text":112,"@type":113},"The problems cover addition and subtraction within the range of 20.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What materials are included in this document?",{"text":117,"@type":113},"The document contains a student practice worksheet and a corresponding answer key for all twenty problems.",{"name":119,"@type":110,"acceptedAnswer":120},"How many problems are provided for the students to solve?",{"text":121,"@type":113},"There are twenty unique addition and subtraction problems provided in the worksheet.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},464549,1790768335,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":39},16904993612988,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Adding and Subtracting within 20  \nName:  \nSolve each problem.  \n1) 1 3 2)- 5  \n5) 1 8 6)- 2  \n9) 1 9 10)  \n- 2  \n13) 1 6 14)  \n- 5  \n17) 8 18)  \n-3  \n1 5  \n+ 5  \n8  \n+ 4  \n1 5  \n+ 2  \n4  \n+ 3  \n1 0  \n+ 5  \n3) 1 5 - 1  \n7) 2 0 - 6  \n11) 1 0 - 3  \n15) 1 5 - 4  \n19) 2 0 - 2  \n4) 1 9 + 1  \n8) 1 0 + 3  \n12) 1 0 + 1 0  \n16) 1 3 + 2  \n20) 1 1 + 1  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nAdding and Subtracting within 20  \nName: Answer Key  \nSolve each problem.  \n1) 1 3 2)  \n- 5  \n8  \n5) 1 8 6)- 2  \n1 6  \n9) 1 9 10)  \n- 2  \n1 7  \n13) 1 6 14)  \n- 5  \n1 1  \n17) 8 18)  \n-3  \n5  \n1 5 + 5  \n2 0  \n8  \n+ 4  \n1 2  \n1 5 + 2  \n1 7  \n4  \n+ 3  \n7  \n1 0 + 5  \n1 5  \n3) 1 5 - 1  \n1 4  \n7) 2 0  \n- 6  \n1 4  \n11) 1 0  \n- 3  \n7  \n15) 1 5 - 4  \n1 1  \n19) 2 0  \n- 2  \n1 8  \n4) 1 9 + 1  \n2 0  \n8) 1 0 + 3  \n1 3  \n12) 1 0  \n+ 1 0  \n2 0  \n16) 1 3  \n+ 2  \n1 5  \n20) 1 1  \n+ 1  \n1 2  \nAnswers  \n1. 8 2. 20 3. 14 4. 20 5. 16 6. 12 7. 14 8. 13 9. 17 10. 17 11. 7 12. 20 13. 11 14. 7 15. 11 16. 15 17. 5 18. 15 19. 18  \n20. 12  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nAdding and Subtracting within 20  \nName:  \nSolve each problem. Answers  \n8 20 13 14  \n17 17 20 12 1.  \n16 20 7 14  \n2.  \n1) 1 3 2) 1 5 3) 1 5 4) 1 9 3.  \n- 5 + 5 - 1 + 1  \n4.  \n5.  \n6.  \n7.  \n8.  \n5) 1 8 6) 8 7) 2 0 8) 1 0  \n9.  \n- 2 + 4 - 6 + 3  \n10.  \n11.  \n12.  \n9) 1 9 10) 1 5 11) 1 0 12) 1 0  \n- 2 + 2 - 3 + 1 0  \nMath www. CoMommi[eSheets.com](eSheets.com 6 111--1102)[ 6](eSheets.com 6 111--1102)[ 111--1102](eSheets.com 6 111--1102) 92 838 0 75 67 58 50 42 33 25 17","cbCaigNICYdbEbl9","https://ap.wps.com/l/cbCaigNICYdbEbl9","pdf",46713,"English","# Addition and Subtraction Practice\n## Answer Key","[{\"question\":\"What is the range of numbers covered in these problems?\",\"answer\":\"The problems cover addition and subtraction within the range of 20.\"},{\"question\":\"What materials are included in this document?\",\"answer\":\"The document contains a student practice worksheet and a corresponding answer key for all twenty problems.\"},{\"question\":\"How many problems are provided for the students to solve?\",\"answer\":\"There are twenty unique addition and subtraction problems provided in the worksheet.\"}]","Adding and Subtracting within 20 - Worksheet | PDF"]